package main

import "fmt"

func main() {
	b1 := true
	var b2 bool
	var b3 int
	fmt.Printf("%T \n", b1)
	fmt.Printf("%T \n", b2)
	fmt.Printf("%T \n", b3)

	fmt.Println(b1)
	fmt.Println(b2)
	fmt.Printf("%T value:%v", b2, b2)
}
